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getting lots of kernel: martian source errors in my message log

Hello,
I have a linux box that is getting lots of errors ( i assume they are errors) in the message log file

they all come from one source
Jan  4 11:29:54 millhouse kernel: martian source 192.168.0.255 from 216.xxx.xxx.xxx, on dev eth1
Jan  4 11:29:54 millhouse kernel: ll header: ff:ff:ff:ff:ff:ff:00:xx:xx:xx:xx:xx:xx:xx

any help on how to debug this?

thanks
Randy
0
paries
Asked:
paries
1 Solution
 
liddlerCommented:
The error is telling you that an external IP 2156.xxx.xxx.xxx is reporting itself as an rfc1918 type address i.e. 192.168.0.255 which is not routable so cannot possibly be honest - i.e. it's being spoofed (from Mars or another planet...).  
I think the error comes from iptables, and you may be able to disable it in your iptables config
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